TANTECH HOLDINGS LTD — All Filings
270 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
All
144
20-F
20-F/A
3
424B1
424B3
424B5
6-K
6-K/A
8-A12B
CERTNAS
CORRESP
D
DRS
DRS/A
DRSLTR
EFFECT
F-1
F-1/A
F-3
F-3/A
NT 20-F
POS AM
RW
RW WD
S-8
SC 13D
SC 13G
SC 13G/A
SCHEDULE 13G
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G | SC 13G | 0001477932-23-007634 | Oct 16, 2023 | — |
| SC 13G | SC 13G | 0001477932-23-007629 | Oct 13, 2023 | — |
| SC 13G | SC 13G | 0001477932-23-007603 | Oct 12, 2023 | — |
| SC 13G | SC 13G | 0001477932-23-007604 | Oct 12, 2023 | — |
| SC 13G | SC 13G | 0001477932-23-007601 | Oct 12, 2023 | — |
| SC 13G | SC 13G | 0001477932-23-007602 | Oct 12, 2023 | — |
| SC 13G | — | 0001214659-23-013284 | Oct 10, 2023 | — |
| EFFECT | — | 9999999995-23-002625 | Sep 11, 2023 | — |
| CORRESP | — | 0001477932-23-006715 | Sep 7, 2023 | — |
| UPLOAD | — | 0000000000-23-009837 | Sep 6, 2023 | — |
| F-3 | FORM F-3 | 0001477932-23-006537 | Aug 30, 2023 | — |
| 6-K | FORM 6-K | 0001477932-23-006004 | Aug 14, 2023 | — |
| 424B5 | 424B5 | 0001477932-23-004955 | Jun 30, 2023 | — |
| 6-K | FORM 6-K | 0001477932-23-004936 | Jun 30, 2023 | — |
| 424B5 | 424B5 | 0001477932-23-004879 | Jun 28, 2023 | — |
| 6-K/A | FORM 6-K/A | 0001477932-23-004846 | Jun 28, 2023 | Jun 23, 2023 |
| 6-K | FORM 6-K | 0001477932-23-004745 | Jun 23, 2023 | — |
| 20-F | FORM 20-F | 0001477932-23-003017 | May 1, 2023 | Dec 31, 2022 |
| 6-K | FORM 6-K | 0001104659-23-036279 | Mar 24, 2023 | — |
| UPLOAD | — | 0000000000-23-000792 | Jan 24, 2023 | — |
| CORRESP | — | 0001104659-23-004080 | Jan 17, 2023 | — |
| 20-F/A | 20-F/A | 0001410578-23-000028 | Jan 17, 2023 | Dec 31, 2021 |
| SC 13G/A | SABBY 13GA TANH 1.10.23 | 0001535610-23-000023 | Jan 10, 2023 | — |
| UPLOAD | — | 0000000000-23-000086 | Jan 4, 2023 | — |
| 6-K | 6-K | 0001410578-22-003592 | Dec 28, 2022 | Jun 30, 2022 |
| 20-F/A | 20-F/A | 0001410578-22-003584 | Dec 23, 2022 | Dec 31, 2021 |
| 6-K | 6-K | 0001104659-22-128750 | Dec 21, 2022 | Dec 20, 2022 |
| 6-K | FORM 6-K | 0001104659-22-126634 | Dec 13, 2022 | — |
| 6-K | FORM 6-K | 0001104659-22-123471 | Dec 1, 2022 | — |
| CORRESP | — | 0001104659-22-122290 | Nov 28, 2022 | — |
| 6-K | FORM 6-K | 0001104659-22-121224 | Nov 22, 2022 | — |
| UPLOAD | — | 0000000000-22-012273 | Nov 10, 2022 | — |
| 6-K | FORM 6-K | 0001104659-22-116008 | Nov 8, 2022 | — |
| 6-K | FORM 6-K | 0001104659-22-112710 | Oct 31, 2022 | — |
| 6-K | FORM 6-K | 0001104659-22-110001 | Oct 19, 2022 | — |
| CORRESP | — | 0001104659-22-107984 | Oct 12, 2022 | — |
| UPLOAD | — | 0000000000-22-009893 | Sep 12, 2022 | — |
| 6-K | FORM 6-K | 0001104659-22-085456 | Aug 3, 2022 | — |
| 6-K | FORM 6-K | 0001104659-22-081406 | Jul 21, 2022 | — |
| 20-F | 20-F | 0001410578-22-001956 | Jul 18, 2022 | Dec 31, 2021 |
| 6-K | FORM 6-K | 0001104659-22-072723 | Jun 21, 2022 | — |
| 6-K | FORM 6-K | 0001104659-22-067108 | Jun 1, 2022 | — |
| 6-K | FORM 6-K | 0001104659-22-065961 | May 27, 2022 | — |
| 6-K | FORM 6-K | 0001104659-22-062921 | May 19, 2022 | — |
| NT 20-F | FORM NT 20-F | 0001104659-22-054783 | May 2, 2022 | Dec 31, 2021 |
| 6-K | FORM 6-K | 0001104659-22-052203 | Apr 28, 2022 | — |
| 6-K | FORM 6-K | 0001104659-22-036581 | Mar 22, 2022 | — |
| 6-K | FORM 6-K | 0001104659-22-035788 | Mar 21, 2022 | — |
| 424B5 | 424B5 | 0001104659-22-035227 | Mar 18, 2022 | — |
| 424B5 | 424B5 | 0001104659-22-034170 | Mar 16, 2022 | — |